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Which one of the following reactions is ...

Which one of the following reactions is an example for calcination process ?

A

`Fe_(2)O_(3) + 3CO to 2Fe + 3CO_(2)`

B

`ZnO + C to Zn + CO`

C

`2ZnS + C to Zn to CO`

D

`MgCO_(3) to MgO + CO_(2)`

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Critical Thinking
  1. Roasting is a process in which ores are heated in the .

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  2. The role of calcination in metallurgical operation is

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  3. Which one of the following reactions is an example for calcination pro...

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  4. The process of calcination is generally carried out in case of .

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  5. Which of the following reactions involves the smelting process ?

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  6. In metallurgy , flux is a substance used to convert.

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  7. Which of the following is NOT an alkaline flux ?

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  8. Specific gravity of slag is

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  9. For the formation of carbon dioxide , Delta G^(@).

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  10. For the temperature at which C to CO line lie below the metal oxide li...

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  11. A newly discovered metal 'M' was found to have it graph of formation o...

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  12. Which of the following statements is INCORRECT on the basis of Ellingh...

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  13. Liquation process for refining of crude metal is used when .

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  14. During the process of polling , .

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  15. The fact that impurities are more soluble in the molten state than in ...

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  16. Inert atmosphere of argon is used during ozone refining to prevent.

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  17. Gallium arsenide is purified by .

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  18. Which of the following impurities are removed in van Arkel method ?

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  19. Which method of purification is represented by following equations ? ...

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  20. During roasting of concentrated zinc sulphide ore, which of the follow...

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